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2834 Ver. 2 - 04/14
TROUBLESHOOTING
If you have any trouble operating this unit please see the table below for simple
instructions on how to solve many common problems. Never attempt to open or
service the unit and refer all servicing to qualified personnel.
Trouble Cause Remedy
The unit fails
to start up
Power supply failure
Connect the unit to a live socket
and turn it on.
Water-full and the icon lit. Drain the water in the unit.
Ambient Temperature is too
low.
It is recommended to use this
unit between 7-40°C
The room temperature is
lower than the set
temperature in cooling mode
or higher temperature in
heating mode
Change the set temperature
Poor cooling
or heating
performance
There is direct sunlight in the
room.
Close the window curtains /
blinds
The doors and windows are
open, the room is crowded
or there are other heat
sources
Close the door and window,
remove other heat sources, and
/ or add new air-conditioners
Dirty filters Clean the filter mesh
Air inlet or air outlet clogged Remove the obstruction
High noise
level
The unit has been placed on
an uneven surface.
Put the unit at a flat and firm
surface (may reduce noise)
The
compressor
does not work
Initiation of overheat
protection.
Wait until the temperature
drops, the unit will re-start
automatically
The remote
control does
not work
Too Far
Bring the remote control close
to the air-conditioner and
ensure aimed at signal receptor
on unit.
The remote control signal
not aimed at receptor on
unit.
The batteries are low Replace the batteries
“CH01” code
displays
Room temperature sensor
failure
Check the room temperature
sensor and related circuits
“CH02” code
displays
Tube temperature sensor
failure
Check the tube temperature
sensor and related circuits
“E4” code
displays
Anti-Frost protection
Functions automatically resume
once anti-frost protection has
completed.
Displays
Water tank is full
Drain the condensate tank and
re-start the unit
11


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